The number of bacteria in a culture doubles every 5 minutes. at first there are 10, after 5 minutes there are 20, after 10 minutes there are 40. how many bacteria are there after 20 minutes?
a.
80
c.
60
b.
160
d.
320

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is

Write the equation of the circle centered at (10,-2) with radius 2.

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?